CN103991203B - Long fiber reinforcement thermoplastic materials direct-on-line former - Google Patents
Long fiber reinforcement thermoplastic materials direct-on-line former Download PDFInfo
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- CN103991203B CN103991203B CN201410201308.2A CN201410201308A CN103991203B CN 103991203 B CN103991203 B CN 103991203B CN 201410201308 A CN201410201308 A CN 201410201308A CN 103991203 B CN103991203 B CN 103991203B
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- extruder
- long fiber
- fiber reinforcement
- thermoplastic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fibrous, filamentary or filling materials, e.g. thin fibrous reinforcements or fillers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/286—Raw material dosing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/79—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling of preformed parts or layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a kind of long fiber reinforcement thermoplastic materials direct-on-line former, comprise steel platform, extrusion device, measurement charging device and glass adding apparatus, extrusion device comprises extruder, the middle part of extrusion device also has a glass intake, and glass adding apparatus comprises the glass heater that is arranged at glass intake top. The present invention is by only arranging an extruder, and glass enters the middle part of extrusion device, after screw rod cutting, directly mixed with masterbatch, no longer include the distance of middle transition, and remove the moisture in glass by installing glass heater additional, and make glass make the pre-heat treatment, more be conducive to mixing of glass and masterbatch, be conducive to improve the quality of product, the addition of glass, by the rotating speed control of main-machine screw, when one timing of masterbatch inlet, improves the rotating speed of screw rod, also just increase accordingly the addition of glass, thereby improved the content of glass; Otherwise, reduced the content of glass.
Description
Technical field
The present invention relates to a kind of plastic molding equipment, relate in particular to a kind of long fiber reinforcement thermoplastic materials directOnline former.
Background technology
The production and application of traditional long fiber reinforced plastics be that Long-fiber-reinforced thermoplastics is directAt wire molding machine (being called for short LFT-D), to consult shown in Fig. 1, the extrusion device of this forming machine is to control motherMaterial enters single order extruder 91 through charge door, enters first of second order extruder 92 along material channel afterwardsSection machine barrel 93; Glass enters first paragraph machine barrel 93 along glass passage after glass cutting machine 94,One section of machine barrel 93 top masterbatch and glass share a passage, and both mix laggard through second order extruderEnter cutting ingot device 95, then put into press by manipulator, realize Long-fiber-reinforced thermoplastics straightBe connected on line moulding.
Because glass just enters in second order extruder 92, after cutting after glass cutting machine cuts off 94There is a segment distance, the stream of glass itself with the inlet port of the first off line cylinder 93 in second order extruder 92Moving property extreme difference, and easily build bridge, the glass amount inequality that can cause entering main frame after bridge, directly causes producingThe glass fiber content of product is unstable, thereby impact makes product quality, and two extruders turns round simultaneously,Increase a large amount of electricity charge, water rate and artificial expense thereof, increased maintenance, the maintenance of machine simultaneouslyEtc. problem.
Summary of the invention
The object of this invention is to provide a kind of long fiber reinforcement thermoplastic materials direct-on-line former, it is logicalCross and an extruder is only set and sets up glass heater, simplified system, reduced a large amount ofThe electricity charge, water rate and artificial expense, do not have the danger of bridge formation yet, and in finished product, glass fiber content is stable,Good product quality.
The invention provides a kind of long fiber reinforcement thermoplastic materials direct-on-line former, comprise that steel is flatPlatform, is located under described steel platform for heating masterbatch, shears glass and makes the two refining that mixes, mixesExtrusion device, the measurement charging device being connected with described extrusion device and glass adding apparatus,
Described extrusion device comprises the extruder being arranged under described steel platform, and is arranged on described squeezingGo out the heater of machine outer surface, described extrusion device middle part also has a glass intake,
Described glass adding apparatus comprises the glass heater that is arranged at described glass intake top,Described glass heater is connected with a glass placement cabinet by many groups glass passage,
Described measurement charging device be located at the extruder top of described extrusion device and with described extruderCharge door is connected, and described glass adding apparatus is connected with described glass intake.
Further, described glass heater comprises the many groups of regulating wheels for tensioning glass, eachDescribed regulating wheel inside is equipped with one group of heating rod, and described heating rod is flat by a bracing frame and described steelPlatform is connected.
Further, in described extrusion device, glass intake place is provided with a glass and introduces lining, described inGlass introduces on lining be evenly provided with how group glasses penetrate hole.
Further, this former also comprises the discharging die head that is installed on successively described extrusion deviceShearing device and conveying device, described shearing device is used for reinforced plastics product sizing cun to cut off, instituteState conveying device for cut reinforced plastics finished product is carried.
Further, described conveying device is also provided with infrared heating device and attemperator.
Further, described shearing device comprises a cutoff knife rack, and described cutoff knife rack is provided with a cutting knife,Also comprise the pneumatic means of the described cutting knife motion of a driving, the transport of described cutting knife and described conveying deviceAngle between plane is 60 °, and the discharging die head of described extrusion device is mutually vertical with described cutting knife.
Further, described measurement charging device comprises the loading hopper being connected with extruder charge door,Be located at described loading hopper top for stirring masterbatch and to the reinforced feeding device of loading hopper, described reinforcedThe bottom of device is provided with one for being metered into the weigher of master batch weight, and its top is provided with a feed supplementStorehouse.
Further, described measurement charging device has 3 covers be respectively used to add masterbatch, additive and returnRewinding, is uniformly distributed along described loading hopper axis.
Further, this former also comprise one with described extrusion system in be used to and vacuum meansPut the vacuum plant that connected vacuum exhaust machine barrel vacuumizes, and one is used to the cold of extruder coolingBut water device.
As mentioned above, only pass through according to long fiber reinforcement thermoplastic materials direct-on-line former of the present inventionAn extruder, and be provided with glass heater, after glass heats by glass heaterGlass is introduced bush hole and is entered in extruder, is cut off by screw rod, and masterbatch is first before screw extruderIn 3 sections of machine barrels, start meltings, the pushed machine barrel to glass intake place of material of melting with cut offGlass mix, at glass intake to glass between the discharging die head of extruder and masterbatch by mixing equalAfter even, extrude, owing to only having used an extruder, just realized glass and cut off and mix, keep away on the one handExempt from the problem that glass can be built bridge, greatly saved on the other hand the electricity charge, water rate and the expense such as artificial,And reduced the cost of its care and maintenance, remove in glass by installing glass heater additionalMoisture, and make glass make the pre-heat treatment, be more conducive to mixing of glass and masterbatch, be conducive to carryThe quality of high product. The addition of glass is by the rotating speed control of main-machine screw, when masterbatch inlet oneRegularly, improve the rotating speed of screw rod, also just increased accordingly the addition of glass, thereby improved glassFine content; Otherwise, reduced the content of glass.
Brief description of the drawings
Fig. 1 is that the structure of Long-fiber-reinforced thermoplastics direct-on-line forming machine of the prior art is shownIntention;
Fig. 2 is the structure chart of facing of long fiber reinforcement thermoplastic materials direct-on-line former of the present invention;
Fig. 3 is the plan structure figure of long fiber reinforcement thermoplastic materials direct-on-line former of the present invention;
Fig. 4 is the structural representation of extrusion device of the present invention;
Fig. 5 is the structural representation of glass heater of the present invention;
Fig. 6 is the structural representation that glass of the present invention is introduced lining;
Fig. 7 is the structural representation of shearing device of the present invention and conveying device;
Fig. 8 is the structural representation of measurement charging device of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with concrete realityExecute mode and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 2 is the structure chart of facing of long fiber reinforcement thermoplastic materials direct-on-line former of the present invention.
Fig. 3 is the plan structure figure of long fiber reinforcement thermoplastic materials direct-on-line former of the present invention.
Fig. 4 is the structural representation of extrusion device of the present invention.
As shown in Figures 2 to 4, long fiber reinforcement thermoplastic materials direct-on-line former master of the present inventionComprise steel platform 1, be located under steel platform 1 for heating masterbatch (being generally plastics), shearing glassFine and make that the two mixes, the extrusion device 2 of soft refining, be connected and be used to extrusion device 2 and extrudeDevice 2 adds and the measurement charging device 3 of the masterbatch of weighing and be used to extrusion device 2 to add glassGlass adding apparatus 4.
Extrusion device 2 comprises the extruder 21 being arranged under steel platform 1, also comprises that one is arranged on and extrudesThe heater 211 of machine outer surface, extrusion device 2 middle parts are also provided with a glass intake 212, and this squeezesGoing out machine 21 can be double screw extruder or single screw rod or multi-screw extruder.
Glass adding apparatus 4 comprises the glass heater 41 that is arranged at glass intake 212 tops,Glass heater 41 is connected with a glass placement cabinet 43 by many groups glass passage 42.
Measurement charging device 3 is located at extruder charge door 213 tops and the extruder of extruder 21Charge door 213 is connected, and glass adding apparatus 4 is connected with glass intake 212.
Therefore former of the present invention only arranges an extruder 21, further, glass is logicalCross the middle part that enters extruder 21 after glass heater 41 heating, by after screw rod cutting directly withMasterbatch mixes, and no longer includes the distance of middle transition, and masterbatch first extruder charge door 213 withIn extruder 21 between glass intake 212, carry out preheating and mix, then pushed to extrudingMachine 21 middle parts be sheared after glass mixing, the discharging at glass intake 212 to extruder 21Between die head 216, glass and masterbatch are mixed extrudes after evenly, owing to only having used an extruder, justRealize glass and in this extruder, cut off with mixing, the problem of having avoided glass to build bridge on the one hand,Greatly save on the other hand the electricity charge, water rate and the expense such as artificial, and reduced its maintenance and guarantorFoster cost, makes finished product glass fiber content stable by installing glass heater additional, good product quality.
Fig. 5 is the structural representation of glass heater of the present invention.
Consult shown in Fig. 5, glass heater 41 comprises the many groups of regulating wheels 411 for tensioning glass,Each regulating wheel 411 inside are equipped with one group of heating rod 412, and heating rod 412 is connected to bracing frame 413Upper, be fixed on steel platform 1 by bracing frame 413. In the preferred embodiments of the present invention, regulating wheel411 exemplary are set to 4, but the present invention is not restricted to this, but can be according to actual needsBe set to more or less, for example 2,3,5,6 or more. Glass is placed from glassAfter extracting out in cabinet 43, enter glass heater 41 by glass passage 42, glass heater41 cause glass on regulating wheel 411, and heating rod 412, by regulating wheel 411 is heated, passes in heatUnder the effect of passing, transfer heat to glass, realize the heating of glass, heating glass can be by glass fibersWater evaporates in dimension, thus avoid moist glass to enter extruder 21 and affect the quality of finished product,Secondly after heating glass, can prevent that the cold fiber not being preheated from entering in extruder 21, can make fused massMaterial surface temperature declines suddenly, causes fused materials case-hardening mobility variation, not only can make plasticizingWeak effect, but also be unfavorable for mixing and infiltrate fully; Again, because the melt retrogradation that turns cold existsUnder screw rod rotary extrusion shear action, make fiber be easy to fracture, affect final mechanical strength and the matter of goodsAmount. When regulating wheel 411 carries out tensioning and heating to glass, be conducive to the tension of glass and scatter, justBetter coated in glass and melt. Glass firing equipment also can use other electric heating equipment heating glassFibre, does not affect the enforcement of the present embodiment.
Fig. 6 is the structural representation that glass of the present invention is introduced lining.
Consult shown in Fig. 6, glass intake 212 places are provided with a glass and introduce lining 214, and glass drawsEnter on lining 214 and be evenly provided with how group glasses penetrate hole 215. Glass after heating penetrates separately eachGlass penetrates hole 215, and glass imports mouth 215 into be disperseed each glass to support, and is further beneficial to glassMutually wrap up with the melt in extruder 21.
Fig. 7 is the structural representation of shearing device of the present invention and conveying device.
Consult shown in Fig. 7, this former also comprises that the discharging that is installed on successively extrusion device 2 gets to knowThe shearing device 5 at 216 places and conveying device 6, shearing device 5 is for by reinforced plastics product sizingVery little cut-out, conveying device 6 is for carrying cut reinforced plastics finished product. Conveying device 6Also be provided with infrared heating device and attemperator, ensure the heat insulation transportation of reinforced plastics finished product, for rearContinuous forming part is prepared. Shearing device 5 comprises a cutoff knife rack 51, and cutoff knife rack 51 is provided with allCutter 52, also comprises the pneumatic means 53 that a driving cutting knife 52 moves, cutting knife 52 and conveying device 6Transport plane 61 between angle be 60 °, the discharging of extrusion device 2 get to know 216 with cutting knife 52Mutually vertical. When use, can control by control device control pneumatic means 53 cut-out of cutting knife 52Frequency, can arbitrarily adjust the size of reinforced plastics finished product, the transport of cutting knife 52 and conveying device 6The object that plane 61 has angle is in order to facilitate plastic product from discharging die head 216 to conveying device 6Transition nature, prevents from colliding with or clashes into and be out of shape.
Fig. 8 is the structural representation of measurement charging device of the present invention.
Consult shown in Fig. 8, measurement charging device 3 comprises and adding that extruder charge door 213 is connectedHopper 317, is located at loading hopper 317 tops for feeding in raw material of stirring masterbatch and feed in raw material to loading hopper 217Device 32, the bottom of feeding device 32 is provided with one for being metered into the weigher 33 of master batch weight,Its top is provided with a feed supplement storehouse 34. Feed supplement storehouse 34 is used to equipment feed supplement, and pneumatic control is arranged at its bottomValve, in the time that material in weighing balance is less than setting value, pneumatic operated valve is opened, and in feed supplement storehouse, material enters meteringIn title, when material in weighing balance reaches, setting value is upper prescribes a time limit, and pneumatic operated valve cuts out. Realizing once circulation mendsMaterial process. Weigher 33 is for accurately controlling each reinforced master batch weight. Can pass through selfWeight sensor detects and adds the amount of hopper 213 and the reinforced value of setting to feed back, if heavyWhen quantity sensor detected value does not wait with setting value, automatically change the rotating speed of motor, thereby change feeding quantity,Until consistent with setting value. Realize precisely and controlling. Preferably, measurement charging device 3 has 3 covers, edgeLoading hopper 317 axis are uniformly distributed.
This former also comprises that one is connected with extruder 21 and is used to vacuum exhaust machine barrel 218The vacuum plant 7 inside vacuumizing, and a chilled water unit 8 that is used to extruder 21 to lower the temperature, byMixed material in extruder 21 is heated, lower-molecular substance decomposes and produce gas. Glass addsTime also bring a large amount of gas into, this vacuum extractor is by the low molecular weight gas in extruder 21 and be mingled withAir is extracted out together, then by extruder 21, material is carried out to mechanical presses, has increased extruder 21In mixed material density, the end product quality of raising, and be used to cold that extruder 21 lowers the temperatureBut water device 8, vacuum plant 7 is a lot of in the prior art, does not apply and states one by one at this.
Should be understood that, above-mentioned detailed description of the invention of the present invention is only for exemplary illustration or solutionRelease principle of the present invention, and be not construed as limiting the invention. Therefore, do not departing from essence of the present inventionAny amendment of making in god and the situation of scope, be equal to replacement, improvement etc., all should be included in thisWithin bright protection domain. In addition, claims of the present invention be intended to contain fall into appended right wantAsk whole variations and modification in the equivalents on scope and border or this scope and border.
Claims (8)
1. a long fiber reinforcement thermoplastic materials direct-on-line former, comprising: steel platform (1);Be arranged on the extrusion device (2) under described steel platform (1), for heating masterbatch, shearingGlass also makes the two mixing, the refining of mixing; The metered charge being connected with described extrusion device (2)Device (3) and glass adding apparatus (4), is characterized in that:
Described extrusion device (2) also comprises the extruder (21) being arranged under described steel platform (1),And be arranged on the heater (211) of described extruder (21) outer surface, described extrusion device(2) middle part is also provided with glass intake (212);
Described glass adding apparatus (4) also comprises and being arranged on described glass intake (212)The glass heater (41) of side, described glass heater (41) is logical by many group glassesRoad (42) is connected with a glass placement cabinet (43); And
Described measurement charging device (3) is arranged on the extruder (21) of described extrusion device (2)Top is also connected with described extruder charge door (213), described glass adding apparatus (4)Be connected with described glass intake (212);
This former also comprises the discharging die head (216) that is successively set on described extrusion device (2)The shearing device (5) at place and conveying device (6);
Described shearing device (5) comprising:
Cutoff knife rack (51), described cutoff knife rack (51) is provided with cutting knife (52);
Drive the pneumatic means (53) of described cutting knife (52) motion;
Wherein, the transport plane (61) of described cutting knife (52) and described conveying device (6)Between angle be 60 °, the discharging die head (216) of described extrusion device (2) with described inCutting knife (52) is mutually vertical.
2. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 1,It is characterized in that: described glass heater (41) comprises the many groups of tensionings for tensioning glassWheel (411), each described regulating wheel (411) inside is equipped with one group of heating rod (412),Described heating rod (412) is connected with described steel platform (1) by a bracing frame (413).
3. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 2,It is characterized in that: described glass intake (212) is located to be provided with a glass and introduced lining (214),Described glass introduces on lining (214) be evenly provided with how group glasses penetrate hole (215).
4. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 1,It is characterized in that: described shearing device (5) is for reinforced plastics product sizing cun is cut off,Described conveying device (6) is for carrying cut reinforced plastics finished product.
5. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 4,It is characterized in that: described conveying device (6) is also provided with infrared heating device and attemperator.
6. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 1,It is characterized in that: described measurement charging device (3) comprises and extruder charge door (213) phaseThe loading hopper (217) connecting, is located at described loading hopper (217) top and is used for stirring masterbatch alsoTo the reinforced masterbatch feeding device (32) of loading hopper (217), described feeding device (32)Bottom is provided with one for being metered into the weigher (33) of master batch weight, and its top is provided with a benefitFeed bin (34).
7. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 6,It is characterized in that: described measurement charging device (3) is even along described loading hopper (217) axisBe provided with 3 covers, be respectively used to add masterbatch, additive and reclaimed materials.
8. long fiber reinforcement thermoplastic materials direct-on-line former according to claim 1,It is characterized in that, this former also comprises: be connected with described extrusion device (2) and forFor the vacuum plant (7) vacuumizing in vacuum exhaust machine barrel (218), and be used to and extrudeThe chilled water unit (8) of device (2) cooling.
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| CN106687265B (en) * | 2014-09-12 | 2021-10-22 | 东芝机械株式会社 | Plasticizing device, injection molding device, and method for manufacturing molded product |
| CN105082507A (en) * | 2015-08-18 | 2015-11-25 | 常熟江南玻璃纤维有限公司 | Novel LFT extruding device |
| CN105911659B (en) * | 2016-06-24 | 2023-03-10 | 江苏亨通光电股份有限公司 | Glass fiber preheating device |
| DE102017123992A1 (en) * | 2017-10-16 | 2019-04-18 | Kraussmaffei Technologies Gmbh | Single screw plasticizing |
| CN108481601A (en) * | 2018-02-12 | 2018-09-04 | 宁波华腾首研新材料有限公司 | Engineering plastics processing unit (plant) and glass fiber content control method |
| DE102018118883B3 (en) * | 2018-08-03 | 2020-01-16 | Kraussmaffei Technologies Gmbh | Method and device for producing a fiber-reinforced plastic and use of the device for additive manufacturing |
| CN109228412A (en) * | 2018-10-23 | 2019-01-18 | 安徽省盛鑫绝缘材料有限公司 | A kind of slot wedge curing molding and cutting material collecting device |
| CN110843187A (en) * | 2019-10-14 | 2020-02-28 | 青岛科技大学 | Automatic drawing and feeding device for wide polymer lapping |
| CN110682513A (en) * | 2019-10-17 | 2020-01-14 | 青岛科技大学 | Continuous drawing, feeding and extruding integrated device for light wide net material |
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| JP3280875B2 (en) * | 1996-12-27 | 2002-05-13 | 住友化学工業株式会社 | Plasticizer |
| DE10163521A1 (en) * | 2001-12-25 | 2003-07-03 | Dieffenbacher Gmbh Maschf | Fiber roving feed and preheat unit for production of fiber reinforced plastic compounds has primary and secondary heating bars and an oscillating guiding grid |
| CN201380556Y (en) * | 2009-03-10 | 2010-01-13 | 无锡利保科技发展有限公司 | Glass fiber heating device |
| CN201808160U (en) * | 2010-09-21 | 2011-04-27 | 西安拓普电气有限责任公司 | Silicon rubber heat-insulating layer material dispersing and mixing device |
| CN202011135U (en) * | 2011-04-06 | 2011-10-19 | 柳州市海达新型材料科技有限公司 | Modified plastic extruder |
| JP5771860B2 (en) * | 2011-09-27 | 2015-09-02 | 住友化学株式会社 | Method for producing resin composition |
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